*{
	margin: 0px;
	padding: 0px;
	font-family: sans-serif;
}
.divide{
	clear: both;
}
#banner{
	border: 1px solid blue;
}
#main_menu{
	border: 3px solid green;
	margin: auto;
}
#main_menu>ul>li{
	border: 1px solid red;
	width: 15%;
	float: left;
}
#content{
	border: 2px solid orange;
}
#footer{
	border: 1px solid yellow;
}
#infome{
	border: 1px solid green;
	width: 40%;
	margin: auto;
	font-size: 16px;
}
#infome em{
	font-size: 14px;
	font-weight: bold;
	color: blue;
}